id:A121882 - OEIS Search Results

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Numbers n such that n + D(n) + 1 is prime, where D() are the doublets, A020338.

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1, 3, 5, 6, 8, 9, 10, 11, 13, 14, 15, 21, 23, 25, 28, 30, 31, 34, 35, 36, 38, 45, 49, 50, 53, 60, 63, 64, 66, 69, 71, 74, 76, 79, 80, 81, 83, 90, 91, 99, 101, 105, 106, 108, 110, 113, 114, 124, 128, 130, 134, 135, 136, 140, 141, 143, 144, 150, 151, 159, 161, 163, 165 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`a(6)=9 because 9+99+1 = 109 is prime.`
	CROSSREFS	`Adjacent sequences: A121879 A121880 A121881 this_sequence A121883 A121884 A121885` `Sequence in context: A021741 A133043 A094058 this_sequence A105206 A080036 A026430`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Aug 31 2006`

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.

AT&T Labs Research